Lars Winther Christensen, Sergio Estrada, Peder Thompson
Abstract
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We expand on two existing characterizations of rings of Gorenstein (weak) global dimension zero and give two new characterizations of rings of finite Gorenstein (weak) global dimension. We also include the answer to a question of Y.~Xiang on Gorenstein weak global dimension of group rings.
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We expand on two existing characterizations of rings of Gorenstein (weak) global dimension zero and give two new characterizations of rings of finite Gorenstein (weak) global dimension. We also include the answer to a question of Y.~Xiang on Gorenstein weak global dimension of group rings.
Key concepts: Dimension (graph theory), Global dimension, Mathematics, Pure mathematics, Zero (linguistics), Group (periodic table), Physics, Linguistics